A parent arriving to the day care rescued the 16-month-old boy, while the suspect fled the scene in a minivan.

The woman ran over a pedestrian, then kept going and hit a bicyclist, seriously injuring both people.

Bystanders held the woman back on a highway overpass as she threatened to jump. Police said she was taken into custody and being evaluated at a local hospital.

When asked about a potential motive, Arneson said, “We don’t know what was happening with her.”

Arneson did not name the suspect, but identified her as the operator of the day care. He said the facility had fewer than six children inside at the time of the incident, and confirmed the toddler was one of the children in her care.

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